Killian is experiencing difficulty maintaining erections, although he is able to become aroused. What is the principal mediator in attaining and maintaining an erection?
A) nitric oxide
B) GnRH
C) androgen
D) testosterone
A
Health & Biomechanics
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The term calculus means:
A) a spasm in a tubular organ. B) a stone. C) a bacterial infection. D) a blood test.
Health & Biomechanics
Which of the following pairs is mismatched?
A) dendrite—highly branched B) nerve cell body—contains nucleus and other organelles C) axon—receives impulse from previous cell D) synapse—junction between two neurons
Health & Biomechanics
A dilution ratio can indicate the concentration of a solution and many times is expressed as a percent. What is the percent concentration of a solution having a dilution ratio of 1/40 ?
A) 0.025 % B) 2.5 % C) 0.25 % D) 25 % E) 1.25 %
Health & Biomechanics
Inflammation of the liver is commonly called cirrhosis.
a. True b. False
Health & Biomechanics